import { PipeTransform } from '@angular/core';
import * as i0 from "@angular/core";
export declare class KeysPipe implements PipeTransform {
    transform(values: any, sort?: boolean): any;
    static ɵfac: i0.ɵɵFactoryDeclaration<KeysPipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<KeysPipe, "keys">;
}
